 /*******************************************************************************
  * Copyright (c) 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  ******************************************************************************/

 package org.eclipse.ui.internal.navigator.dnd;

 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.swt.dnd.DropTargetEvent;
 import org.eclipse.swt.dnd.TransferData;
 import org.eclipse.ui.navigator.CommonDropAdapter;
 import org.eclipse.ui.navigator.CommonDropAdapterAssistant;

 /**
  * A Skeleton implementation of {@link CommonDropAdapterAssistant}.
  *
  * @since 3.2
  *
  */
 public class SkeletonCommonDropAssistant extends CommonDropAdapterAssistant {

     /**
      * The singleton instance.
      */
     public static final SkeletonCommonDropAssistant INSTANCE = new SkeletonCommonDropAssistant();

     private SkeletonCommonDropAssistant() {
     }

     /*
      * (non-Javadoc)
      *
      * @see org.eclipse.ui.navigator.CommonDropAdapterAssistant#handleDrop(org.eclipse.ui.navigator.CommonDropAdapter,
      * org.eclipse.swt.dnd.DropTargetEvent, java.lang.Object)
      */
     public IStatus handleDrop(CommonDropAdapter aDropAdapter,
             DropTargetEvent aDropTargetEvent, Object aTarget) {
         return Status.CANCEL_STATUS;
     }

     /*
      * (non-Javadoc)
      *
      * @see org.eclipse.ui.navigator.CommonDropAdapterAssistant#validateDrop(java.lang.Object,
      * int, org.eclipse.swt.dnd.TransferData)
      */
     public IStatus validateDrop(Object target, int operation,
             TransferData transferType) {
         return Status.CANCEL_STATUS;
     }

     // /*
 // * (non-Javadoc)
 // *
 // * @see
 // org.eclipse.ui.navigator.CommonDropAdapterAssistant#findSupportedTransferData(org.eclipse.swt.dnd.TransferData[])
 // */
 // public TransferData findSupportedTransferData(
 // TransferData[] theAvailableTransferData) {
 //
 // return null;
 // }

 }

